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Diffstat (limited to 'clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefCallArgsChecker.cpp')
-rw-r--r--clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefCallArgsChecker.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefCallArgsChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefCallArgsChecker.cpp
index 9585ceb..791e709 100644
--- a/clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefCallArgsChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefCallArgsChecker.cpp
@@ -29,12 +29,12 @@ namespace {
class RawPtrRefCallArgsChecker
: public Checker<check::ASTDecl<TranslationUnitDecl>> {
BugType Bug;
- mutable BugReporter *BR;
TrivialFunctionAnalysis TFA;
EnsureFunctionAnalysis EFA;
protected:
+ mutable BugReporter *BR;
mutable std::optional<RetainTypeChecker> RTC;
public:
@@ -46,6 +46,7 @@ public:
virtual bool isSafePtr(const CXXRecordDecl *Record) const = 0;
virtual bool isSafePtrType(const QualType type) const = 0;
virtual bool isSafeExpr(const Expr *) const { return false; }
+ virtual bool isSafeDecl(const Decl *) const { return false; }
virtual const char *ptrKind() const = 0;
void checkASTDecl(const TranslationUnitDecl *TUD, AnalysisManager &MGR,
@@ -214,6 +215,7 @@ public:
Arg, /*StopAtFirstRefCountedObj=*/true,
[&](const clang::CXXRecordDecl *Record) { return isSafePtr(Record); },
[&](const clang::QualType T) { return isSafePtrType(T); },
+ [&](const clang::Decl *D) { return isSafeDecl(D); },
[&](const clang::Expr *ArgOrigin, bool IsSafe) {
if (IsSafe)
return true;
@@ -479,6 +481,11 @@ public:
isa<ObjCMessageExpr>(E);
}
+ bool isSafeDecl(const Decl *D) const final {
+ // Treat NS/CF globals in system header as immortal.
+ return BR->getSourceManager().isInSystemHeader(D->getLocation());
+ }
+
const char *ptrKind() const final { return "unretained"; }
};